One Week Skeleton Titanium
510 000 kr
The Armin Strom One Week Titanium Skeleton, an openworked masterpiece now fully skeletonized to reveal the intricate heart of its mechanics, combines striking design with precision engineering. Encased in lightweight titanium grade 5, it balances strength with comfort, providing a feeling of lightness that makes it easy to wear all week long. The Armin Strom One Week Titanium Skeleton is a showcase of skeletonization, a technique that is rooted in Mr. Armin Strom’s philosophy and heritage. He sought to enhance depth and three-dimensionality while avoiding see-through to maintain elegance.
The 2023 One Week was already openworked by nature, but this version goes even further, removing more material to highlight the movement’s complexity. Few watches combine openworking and skeletonization at this level. The small seconds dial is skeletonized, revealing the power reserve level and the escapement wheel for a 3D mechanical animation. The mainplate and the barrels are also skeletonized enhancing aesthetics. Thanks to this skeletonization, the power reserve indicator is highlighted as well as the cone mechanism, reminiscent of ancient pocket watches. A major highlight is the case back, offering a mesmerizing view of the entire mechanism. With a 7-day power reserve, this watch keeps time accurate for an entire week without needing winding. The hand-finished details reflect the level of craftsmanship behind its design. Limited to 100 pieces, the One Week Titanium Skeleton offers a refined, functional timepiece that blends robustness and comfort in a minimalist package.
MECHANICAL ARTISTRY IN MOTION
The One Week is all about highlighting the openworked design and showcasing many of the movement’s kinetic elements on the dial side –something that has become an instantly recognisable feature of Armin Strom timepieces. The new generation of the One Week has been completely reengineered and redesigned, resulting in a manual-winding movement that boasts stunning architectural depth. Form, function, aesthetics and ergonomics are all harmoniously brought into the foreground, resulting in a piece of otherwise traditional horology executed in a dynamic and radical way.
THE SCIENCE OF MOVEMENT
The One Week delivers an impressive seven-day power reserve. The new manual-winding ARM21 calibre features two mainspring barrels, which work in series to provide consistent levels of energy to the gear train. Held by two finger-style bridges, the barrels are symmetrically arranged on the right portion of the completely open dial. The manual winding ritual performs a hypnotic choreography as the motion of two ratchet wheels winding both barrels in opposite directions is clearly visible from the dial side. One of the most distinctive features of the new One Week is its power reserve indicator. In keeping with the architectural depth of the movement, the power reserve is indicated by a cone system that takes its inspiration from pocket watches, with a mirror-polished cone driven by a conical gear on the opposite side of the dial. For a watch with a sporty edge, performance also means withstanding rapid movements and shocks. The major chronometric evolution of the new One Week is thus the oscillating frequency of the regulating organ. The rate has been increased from 2.5 Hz to 3.5 Hz (25,200 vph) versus the first One Week generation from 2010, which offers a more stable chronometric performance.
LAYERS OF DEPTH
Armin Strom watches usually feature offset hour and minute hands. In the One Week, however, the faceted hour and minute hands filled with Super-LumiNova are perfectly positioned in the centre of the open dial, further enhancing its aesthetic balance. In fact, compared to the previous generation of the One Week, which featured a partially open dial to expose the movement, the new version was conceived to be much more three-dimensional. It totally foregoes a traditional dial, instead adopting a contemporary architecture with various movement elements positioned in such a way that they can be explored from many angles. The bridge holding the hands has been designed with a geometric form to rise above the mainplate. Maintaining optimal legibility, the movement is surrounded by a chapter ring set with baton indices filled with Super-LumiNova. The small seconds at 9 o’clock are displayed on a small black dial, emblazoned with the brand’s “AS” logo.
CRAFTSMANSHIP IN EVERY DETAIL
Like all Armin Strom creations, from the purest to the most complex,
the One Week is a masterclass in haute horlogerie hand-finishing.
Straight- and circular-grained surfaces, chamfered and polished
bevels, Geneva-striped plates, and polished screws and sinks have
clearly been applied by expert hands. The One Week Manufacture
Edition stands out with its anthracite PVD-coated mainplate
and bridges, offering a monochromatic look that blends perfectly
with its steel exterior.
"The craftsmanship truly shines when observed through a magnifying glass, highlighting the watch’s artisanal excellence. At Armin Strom, we make a point of ensuring that every movement conveys our passion and attention to detail with traditional hand-finishing techniques, from the purest and simplest to the most complex. Because it’s so three-dimensional, the One Week Manufacture Edition is an incredible piece with which to demonstrate this."
Claude Greisler, Master Watchmaker and co-founder of Armin Strom
AN EMPHASIS ON ERGONOMICS
The One Week’s micromechanical sculpture of a movement is housed in a suitably contemporary case. Crafted in stainless steel, it measures 41 mm in width and only 10.6 mm in height – surprisingly compact proportions for a calibre of such intense depth. Paired with an integrated steel bracelet consisting of H-shaped satin-brushed and polished links, the overall design is holistic with an emphasis on ergonomics to make for a perfect everyday-wear piece full of mechanical intrigue.
The One Week Manufacture Edition is limited to 100 pieces. It is available directly from Armin Strom and its network of authorized retailers around the world.
About Armin Strom
Armin Strom is an independent watch company based in Biel/Bienne, Switzerland. Armin Strom timepieces offer a unique fusion of the Swiss-German horological tradition, avant-garde “transparent mechanics” and an unwavering commitment to horological innovation. The hallmark of the brand’s low-volume, artisanal approach to watchmaking is its commitment to exposed dial-side movement mechanics, with every part hand-finished to the highest haute-horology standards.
Armin Strom was established in 1967 by Mr Armin Strom, a legend in the art of hand-skeletonization. In 2006, the stewardship of Mr Strom’s legacy became the responsibility of Master Watchmaker Claude Greisler and businessman Serge Michel, who together revitalized the brand with the opening of Armin’s Strom’s first fully-integrated Manufacture in 2009. Today the brand designs, develops, mills, embosses, galvanizes, hand-finishes and assembles all of its own watches in-house, enabling Armin Strom to bring even the most complicated ideas to life without any of the compromises that typically stem from reliance on a supply chain.
Technical Specifications
Reference:
- TI25-OW.75
Indications
- Hours, minutes, small seconds, power reserve indicator
Case
- Titanium
- Sapphire crystal and case back with anti-reflective treatment
- Diameter: 41.00 mm
- Height: 10.60 mm
- Lug-to-lug: 44.35 mm
- Water-resistance: 100 m / 10 ATM
Movement
- Armin Strom manufacture Calibre ARM21
- Anthracite PVD coloured mainplate and bridges
- Winding mechanism: manual winding
- Regulating system: Flat hairspring with a variable inertia balance wheel
- Impulse: Double going barrel
- Power reserve: 7 days
- Dimensions: 36.60 mm × 6.00 mm
- Frequency: 3.5 Hz (25,200 vph)
- Jewels: 35
- Number of components: 194
Dial
- Black minute ring and small-second dial, numbers and indexes with Super-LumiNova® filling
Hands
- Rhodium, facetted and polished with Super-LumiNova® filling
Bracelet
- Titanium with a double-folding clasp
- Width lugs/buckle: 22-20 mm
Limited
-
100 pieces
About Armin Strom
Armin Strom is an independent watch company based in Biel/Bienne, Switzerland. Armin Strom timepieces offer a unique fusion of the Swiss-German horological tradition, avant-garde “transparent mechanics” and an unwavering commitment to horological innovation. The hallmark of the brand’s low-volume, artisanal approach to watchmaking is its commitment to exposed dial-side movement mechanics, with every part hand-finished to the highest haute-horology standards.
Armin Strom was established in 1967 by Mr Armin Strom, a legend in the art of hand-skeletonization. In 2006, the stewardship of Mr Strom’s legacy became the responsibility of Master Watchmaker Claude Greisler and businessman Serge Michel, who together revitalized the brand with the opening of Armin’s Strom’s first fully-integrated Manufacture in 2009. Today the brand designs, develops, mills, embosses, galvanizes, hand-finishes and assembles all of its own watches in-house, enabling Armin Strom to bring even the most complicated ideas to life without any of the compromises that typically stem from reliance on a supply chain.
When ‘Mr. Armin Strom’ retired from watchmaking, he transferred ownership of his brand to two boys (by then adults) who had had frequented his workshop so often together in childhood: businessperson Serge Michel and Master Watchmaker Claude Greisler.
In 2009, the revitalized Armin Strom built upon Mr. Strom’s historical legacy with the opening of its first fully-integrated Manufacture; located in Biel, Switzerland.
Today the Manufacture produces all of our timepieces in-house and with great reverence for the Swiss-German watchmaking tradition. Our extraordinary team of dedicated engineers and artisans, led by Master Watchmaker Claude Greisler, uphold that tradition with uncompromising passion and commitment.
Serge Michel is the scion of one of the most prominent families in Switzerland. His unwavering passion and commitment to the business of the Armin Strom Manufacture have made him both the sponsor and the driving business force behind the brand.
Fascinated by watchmaking and watch collecting from a young age, he and his childhood friend Claude Greisler shared a dream of co-founding a watch company; one that would someday produce watches of the very highest quality in the Swiss-German tradition. Today that dream has become a longstanding reality.
Beyond his life in the Manufacture, Serge is a husband and proud father of two girls. His other passions include global travel and wine collecting. Nothing brings a bigger smile to Serge’s face than introducing the latest Armin Strom creation to good friends over a dinner paired with several bottles of fine wine.
Claude Greisler is “a watchmaker’s watchmaker.” His greatest passions are watches (past and present) and complicated watchmaking. In actual fact, watchmaking has been a Greisler family profession for generations. Claude’s training began in his grandfather’s workshop, which led to his formal training, beginning with his completion of a four year program at the “School for Watchmakers and Rhabilleurs” in Solothurn, Switzerland; followed by a two-year program in movement restoration at Centre Interrégionalde Formation des Montagnes [CIFOM] in Le Locle; and then a further two-year program at CIFOM focused on the development and construction of complicated timepieces. Upon the completion of his 8 years of watchmaking education, Claude honed his craft as a watchmaker at Christophe Claret (a brand known for its ultra-complicated timepieces) as the next step in his longstanding ambition: to dedicate himself to the design and production of horologically significant timepieces. Beyond his watchmaking obsession, Claude is also a passionate skier and outdoorsman. Together with his wife, Gaby, Claude explores the Swiss backcountry as often as his responsibilities at the manufacture will allow.
Manufacture
At Armin Strom, we’re obsessed with every detail of every watch that we make. We develop, mill, emboss, galvanize and hand-finish all of our watches in-house. We adhere to the very highest haute-horology standards because we know that Armin Strom collectors appreciate looking at more than just the time.
Armin Strom represents a unique fusion of the swiss-german horological tradition with avant-garde ‘transparent mechanics’ and an unwavering commitment to horological innovation. Our watches are designed to both showcase how our movements actually work and to validate the attention to detail that goes into their production. Whether with a loupe or with the naked eye, with an Armin Strom timepiece there will always be something captivating to see.
At Armin Strom, our highly qualified and dedicated team invests an incredible amount of enthusiasm, passion and effort to create watches that are mechanically exceptional and meticulously well-finished. “The only difference between the possible and the impossible is that the impossible takes a little longer.” [Mrs. William Tilton, “The Washington Herald”, 1921].
Our passion for ‘transparent mechanics’ is at the core of our watchmaking design philosophy, but perfection in our execution and in the long-term reliability of our watches is always paramount. These priorities are the hallmarks of the Swiss-German watchmaking tradition. We honor that tradition with every watch that we produce at the Armin Strom Manufacture.
Decoration
Hand engraving
Every piece is unique.
Steel burins in various sizes and wax-coated holders are the tools of the engraver.
In the engraver’s hands, each workpiece becomes a unique work of art. The engraver draws their own motif design on the workpiece with a needle according to their original drawings; working under the microscope.
Polishing
Embellishing every part of a movement makes every Armin Strom watch akin to a hand-crafted piece of jewelry.
Working bare brass or steel by hand is time-consuming work: edges of plates, bridges and levers must be perfectly chamfered or, as watchmakers call it, beveled. Every part is then polished to perfection, even when the embellishment won’t be visible in the finished watch.
Beveling and polishing requires a trained eye and fingertip sensitivity together with both patience and perseverance. For example, even a relatively small part like a pallets bridge will require at least half an hour to complete – and often more than that.
Traditional Grinding
Here a classic fine watch-making finishing technique known as “Geneva Stripes” (Côtes de Genève), is displayed. They’re created via the use an abrasive disc that’s applied in perfectly straight lines to create the Côtes de Genève on the workpiece.
Circular graining (Perlage) is a decorative motif reminiscent of clouds, typically used on main plates. To achieve this pattern, the watchmaker uses an abrasive pencil and gently makes contact with the workpiece, gradually working across the whole surface. This creates the characteristic overlapping circular grained motif.
All rotating parts of an Armin Strom movement are embellished with a circular grinding pattern.
Assembling
Up to this point, they were all just individual parts – turned, milled, polished and decorated. Now the watch will begin to take shape.
The watchmaker uses a pressing tool to insert the jewel bearings for the spindles of the toothed wheels into the plate and bridges. This is a crucial operation. The way the jewels are pressed in influences the correct vertical play of the gear-train. Do the gear-wheels and pinions mesh together correctly? Does the height need adjusting by a few hundredths of a millimeter? Once the gear-train is adjusted, the bridges and plates are screwed down, and the mainsprings are assembled in the going barrels, then the movement is ready to receive the escapement. With the installation of the escapement, consisting of the escape-wheel, the pallets and balance-wheel, the watch comes to life.
After the first assembly, the movement is completely disassembled and each individual part is then cleaned, dried, reassembled and lubricated. After the second assembly, the movement is meticulously regulated before the watchmaker sets the hands and re-inserts the movement back into the case. The back of the case is then fixed in place. The completed watch is subjected to a multi-day rate test on a watch winder. Water resistance is also tested. Once the watch has passed these quality tests, it is finally certified as complete.
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